AFFX Affymetrix, Inc.

Affymetrix, Inc. (Nasdaq:AFFX) today announced that it will webcast its Annual Meeting of Stockholders. A live transmission of the meeting will take place at 4 p.m. PT, on June 15, 2006. Following the formal business of the meeting, management will provide an overview of the company. A webcast of the presentation will be available live and by replay. To access both the live and archived webcast, please go to www.affymetrix.com and click on the "Investors" link. The archived replay will be available 4 hours after the conclusion of the live presentation. About Affymetrix Affymetrix scientists invented the world's first high-density microarray in 1989 and began selling the first commercial microarray in 1994. Since then, Affymetrix GeneChip(R) technology has become the industry standard in molecular biology research. Affymetrix technology is used by the world's top pharmaceutical, diagnostic and biotechnology companies as well as leading academic, government and not-for-profit research institutes. More than 1,400 systems have been installed around the world and nearly 4,000 peer-reviewed papers have been published using the technology. Affymetrix' patented photolithographic manufacturing process provides the most information capacity available today on an array, enabling researchers to use a whole-genome approach to analyzing the relationship between genetics and health. Affymetrix is headquartered in Santa Clara, Calif., with manufacturing facilities in Sacramento, Calif., and Bedford, Mass. The company maintains important sales and marketing operations in Europe and Asia and has about 1,100 employees worldwide. For more information about Affymetrix, please visit the company's website at www.affymetrix.com. NOTE: Affymetrix, the Affymetrix logo, and GeneChip are registered trademarks owned or used by Affymetrix, Inc.